25027 has 4 divisors (see below), whose sum is σ = 25920. Its totient is φ = 24136.

The previous prime is 25013. The next prime is 25031. The reversal of 25027 is 72052.

It is a happy number.

25027 is nontrivially palindromic in base 2.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25027 is a prime.

It is a Duffinian number.

25027 is a modest number, since divided by 27 gives 25 as remainder.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 25027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403 + ... + 460.

It is an arithmetic number, because the mean of its divisors is an integer number (6480).

2²⁵⁰²⁷ is an apocalyptic number.

25027 is a deficient number, since it is larger than the sum of its proper divisors (893).

25027 is an equidigital number, since it uses as much as digits as its factorization.

25027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892.

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 25027 is about 158.1992414647. The cubic root of 25027 is about 29.2507000587.

Adding to 25027 its reverse (72052), we get a palindrome (97079).

The spelling of 25027 in words is "twenty-five thousand, twenty-seven".